.model_index {
  .model-tree {
    display: flex;
    .model-tree-left {
      margin-right: 20px;
      min-width: 250px;
      height: 640px;
      overflow-y: auto;
      .el-tree-node.is-current > .el-tree-node__content {
        background-color: #2F8DFB !important;
        color: white;
      }
    }
    .model-tree-right {
      width: calc(100% - 280px);
    }
  }
}